| /****************************************************************************** |
| * |
| * Copyright (C) 2004 - 2014 Xilinx, Inc. All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
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| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * Use of the Software is limited solely to applications: |
| * (a) running on a Xilinx device, or |
| * (b) that interact with a Xilinx device through a bus or interconnect. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| * SOFTWARE. |
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| * this Software without prior written authorization from Xilinx. |
| * |
| ******************************************************************************/ |
| /*****************************************************************************/ |
| /** |
| * |
| * @file xemaclite_selftest.c |
| * @addtogroup emaclite_v4_1 |
| * @{ |
| * |
| * Function(s) in this file are the required functions for the EMAC Lite |
| * driver sefftest for the hardware. |
| * See xemaclite.h for a detailed description of the driver. |
| * |
| * <pre> |
| * MODIFICATION HISTORY: |
| * |
| * Ver Who Date Changes |
| * ----- ---- -------- -------------------------------------------------------- |
| * 1.01a ecm 01/31/04 First release |
| * 1.11a mta 03/21/07 Updated to new coding style |
| * 3.00a ktn 10/22/09 Updated driver to use the HAL Processor APIs/macros. |
| * 4.2 sk 11/10/15 Used UINTPTR instead of u32 for Baseaddress CR# 867425. |
| * </pre> |
| ******************************************************************************/ |
| |
| /***************************** Include Files *********************************/ |
| |
| #include "xil_io.h" |
| #include "xemaclite.h" |
| #include "xemaclite_i.h" |
| |
| /************************** Constant Definitions *****************************/ |
| |
| /**************************** Type Definitions *******************************/ |
| |
| /***************** Macros (Inline Functions) Definitions *********************/ |
| |
| /************************** Function Prototypes ******************************/ |
| |
| /************************** Variable Definitions *****************************/ |
| |
| /*****************************************************************************/ |
| /** |
| * |
| * Performs a SelfTest on the EmacLite device as follows: |
| * - Writes to the mandatory TX buffer and reads back to verify. |
| * - If configured, writes to the secondary TX buffer and reads back to verify. |
| * - Writes to the mandatory RX buffer and reads back to verify. |
| * - If configured, writes to the secondary RX buffer and reads back to verify. |
| * |
| * |
| * @param InstancePtr is a pointer to the XEmacLite instance . |
| * |
| * @return |
| * - XST_SUCCESS if the device Passed the Self Test. |
| * - XST_FAILURE if any of the data read backs fail. |
| * |
| * @note None. |
| * |
| ******************************************************************************/ |
| int XEmacLite_SelfTest(XEmacLite * InstancePtr) |
| { |
| UINTPTR BaseAddress; |
| u8 Index; |
| u8 TestString[4] = { 0xDE, 0xAD, 0xBE, 0xEF }; |
| u8 ReturnString[4] = { 0x0, 0x0, 0x0, 0x0 }; |
| |
| /* |
| * Verify that each of the inputs are valid. |
| */ |
| Xil_AssertNonvoid(InstancePtr != NULL); |
| |
| /* |
| * Determine the TX buffer address |
| */ |
| BaseAddress = InstancePtr->EmacLiteConfig.BaseAddress + |
| XEL_TXBUFF_OFFSET; |
| |
| /* |
| * Write the TestString to the TX buffer in EMAC Lite then |
| * back from the EMAC Lite and verify |
| */ |
| XEmacLite_AlignedWrite(TestString, (UINTPTR *) BaseAddress, |
| sizeof(TestString)); |
| XEmacLite_AlignedRead((UINTPTR *) BaseAddress, ReturnString, |
| sizeof(ReturnString)); |
| |
| for (Index = 0; Index < 4; Index++) { |
| |
| if (ReturnString[Index] != TestString[Index]) { |
| return XST_FAILURE; |
| } |
| |
| /* |
| * Zero the return string for the next test |
| */ |
| ReturnString[Index] = 0; |
| } |
| |
| /* |
| * If the second buffer is configured, test it also |
| */ |
| if (InstancePtr->EmacLiteConfig.TxPingPong != 0) { |
| BaseAddress += XEL_BUFFER_OFFSET; |
| /* |
| * Write the TestString to the optional TX buffer in EMAC Lite |
| * then back from the EMAC Lite and verify |
| */ |
| XEmacLite_AlignedWrite(TestString, (UINTPTR *) BaseAddress, |
| sizeof(TestString)); |
| XEmacLite_AlignedRead((UINTPTR *) BaseAddress, ReturnString, |
| sizeof(ReturnString)); |
| |
| for (Index = 0; Index < 4; Index++) { |
| |
| if (ReturnString[Index] != TestString[Index]) { |
| return XST_FAILURE; |
| } |
| |
| /* |
| * Zero the return string for the next test |
| */ |
| ReturnString[Index] = 0; |
| } |
| } |
| |
| /* |
| * Determine the RX buffer address |
| */ |
| BaseAddress = InstancePtr->EmacLiteConfig.BaseAddress + |
| XEL_RXBUFF_OFFSET; |
| |
| /* |
| * Write the TestString to the RX buffer in EMAC Lite then |
| * back from the EMAC Lite and verify |
| */ |
| XEmacLite_AlignedWrite(TestString, (UINTPTR *) (BaseAddress), |
| sizeof(TestString)); |
| XEmacLite_AlignedRead((UINTPTR *) (BaseAddress), ReturnString, |
| sizeof(ReturnString)); |
| |
| for (Index = 0; Index < 4; Index++) { |
| |
| if (ReturnString[Index] != TestString[Index]) { |
| return XST_FAILURE; |
| } |
| |
| /* |
| * Zero the return string for the next test |
| */ |
| ReturnString[Index] = 0; |
| } |
| |
| /* |
| * If the second buffer is configured, test it also |
| */ |
| if (InstancePtr->EmacLiteConfig.RxPingPong != 0) { |
| BaseAddress += XEL_BUFFER_OFFSET; |
| /* |
| * Write the TestString to the optional RX buffer in EMAC Lite |
| * then back from the EMAC Lite and verify |
| */ |
| XEmacLite_AlignedWrite(TestString, (UINTPTR *) BaseAddress, |
| sizeof(TestString)); |
| XEmacLite_AlignedRead((UINTPTR *) BaseAddress, ReturnString, |
| sizeof(ReturnString)); |
| |
| for (Index = 0; Index < 4; Index++) { |
| |
| if (ReturnString[Index] != TestString[Index]) { |
| return XST_FAILURE; |
| } |
| |
| /* |
| * Zero the return string for the next test |
| */ |
| ReturnString[Index] = 0; |
| } |
| } |
| |
| return XST_SUCCESS; |
| } |
| /** @} */ |